Feature 2
tugs Apex, Phenix, Velox and Tenax. The vessels are specially designed powered at 400V/220V-50Hz.
Solent Towage, a subsidiary of Østensjø for escort purposes and is equipped In the escort role the vessels can
Rederi, operates the four escort and each with two Voith propellers; Apex, generate braking forces of 150tons
anchor handling tugs, which were Phenix and Tenax have Voith Schneider at 10kts and steering forces of
all delivered within the last two to Propellers (VSP) 32 R5/250-2 and Velox 140tons at the same speed. All of the
three years. has two VSP 32 R6/210-2. tugs are equipped for fire-fighting
Apex and Phenix have two Volvo to FiFi1 standards and pollution
Operations Penta type D7AT/TA generators at control operations.
Apex, Tenax, Velox and Phenix all have 13kw power and Tenax and Velox Solent Towage’s fleet also includes
similar dimensions at 37m loa, a beam have two Volvo Penta type TAMD74A the azimuth stern drive terminal tug,
of 14m and an operational draught of generators at 136kW power. Thrax and tugboats Asterix and Ibex,
6.70m. Electric power on all four vessels is all of which sail under the British
Tenax, Apex, Phenix and Velox provided by two Stamford generators flag. SBI
have a maximum speed of 15kts at
19m
3
fuel consumption, and 12kts
economy speed at 12m
3
. The
vessels are furthermore equipped
with Voith turbo fins for extended
manoeuvrability and are equipped with
oil recovery, fire-fighting equipment
(FiFi1) and also for salvage in
open waters.
The towing equipment onboard
includes double drum hydraulic type
Karm winches with a pull force of 200t
and a break force of 300t.
All four tugs were built at Astilleros
Gondan in Spain and carry the
notation Det Norske Veritas +1A1 Tug
EO OilRec Fi-Fi I Escort (150/10) ISM
ISPS.
The most recent of the newbuilds is
Apex, which was delivered to Solent
Towage earlier in 2008.
Generation
Powered by two Rolls Royce
Bergen type C25 engines (33L8P)
the tugs’ engines have a total
continuous output of 5040kW,
6850bhp. Sister vessel Velox has a
slightly lower horse power rating at
6530bhp.
TECHNICAL PARTICULARS
Vivax
Length, oa .........................................33.10m
Breadth, oa .......................................12.00m
Depth, mld ..........................................5.36m
(not including skeg or thrusters)
Draught, max ......................................6.11m
Propulsion ............2 x Wärtsilä 6L26 engines
Max speed ............................................14kts
Generators .........2 x LIAG/MAN, D2866 LXE
Bollard pull, ahead ............................ 80tons
Bollard pull, astern ............................. 75tons
Ship & Boat International November/December 2008 29
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18/11/2008 09:59:02
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